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Non-standard
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.
The SyncEvent interface represents a sync action that is dispatched on the ServiceWorkerGlobalScope of a ServiceWorker.
This interface inherits from the ExtendableEvent interface.
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Constructor
SyncEvent.SyncEvent()- Creates a new
SyncEventobject.
Properties
Inherits properties from its ancestor, Event.
SyncEvent.tagRead only- Returns the developer-defined identifier for this
SyncEvent. SyncEvent.lastChanceRead only- Returns
trueif the user agent will not make further synchronization attempts after the current attempt.
Methods
Inherits methods from its parent, ExtendableEvent.
None.
Browser compatibility
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 49.0 | ? | ? | ? | ? |
| Feature | Android | Android Webview | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile | Chrome for Android |
|---|---|---|---|---|---|---|---|---|
| Basic support | Not supported | Not supported | ? | ? | ? | ? | ? | 49.0 |